Abstract: The present invention relates to a shaft-embracing permanent magnet inter-shaft glued stator structure of a high-speed motor; the structure is a shaft-embracing permanent magnet integrated structure; the rotor structure comprises a permanent magnet (2), an output shaft (1) which is connected with one end of the permanent magnet (2) and embraces one part of the permanent magnet (2), and a rear shaft (4) which is respectively connected with the other end of the permanent magnet (2) and the output shaft (1), used for embracing the other part of the permanent magnet (2), and connected with the output shaft (1) to form a sealing mechanism of the permanent magnet (2). Compared with the prior art, the present invention has advantages of good electro-magnetic performance, high reliability, high productivity and good concentricity.

Abstract: A generator comprising a magnetic gear, the magnetic gear comprising a stationary member comprising a set of electromagnets, a first moveable member comprising a set of magnets, and a second moveable member disposed between the first moveable member and the stationary member. The second moveable member comprises a set of core members. The first and second moveable members are magnetically coupled to define a gear ratio therebetween and the electromagnets are operable to control the gear ratio. The stationary member comprises a stator of the generator and the first moveable member comprises an armature of the generator, wherein the armature is arranged to induce an electrical current in a set of generator windings disposed around the stator. The second moveable member comprises an input means arranged to receive a drive force. The gear ratio is variable, such that a variable output speed may be produced for a given input speed.

Abstract: A rotary electric machine includes a stator including a stator winding and a rotor movable relative to the stator in a first direction and arranged to face the stator in a second direction, the rotor including plural pairs of rotor poles at a rotor core, each pair of the plural pairs of rotor poles including different polarities from each other, the stator including a fractional slot configuration where the number of slots per pole per phase is a non-integer, the stator winding being wound by a fractional slot winding, one of a stator core and the rotor core including a base portion and either a single position portion or plural position portions which is connected to the base portion in a third direction and which is displaced relative to the base portion in the first direction, the third direction being orthogonal to the first direction and the second direction.

Abstract: A synchronous reluctance electric machine is described, and includes a stator including a plurality of electrical windings and a rotor disposed in a cylindrically-shaped void formed within the stator. The rotor includes a plurality of steel laminations assembled onto a shaft, wherein the shaft defines a longitudinal axis. Each of the steel laminations includes a plurality of poles and each of the poles includes a plurality of slots disposed near an outer periphery. The slots of the steel laminations are longitudinally aligned. A plurality of packets assembled from anisotropic material are disposed in the slots.

Abstract: An electric compressor has a hermetic terminal unit that is electrically connected to a motor side wire and a drive circuit side wire and inserted through a through hole formed through a separation wall separating a motor chamber and an accommodating chamber. The hermetic terminal unit has a first connecting terminal that is electrically connected to the motor side wire and elastically deformable, a second connecting terminal that is electrically connected to the drive circuit side wire and elastically deformable, and a conductive member that is fitted to the first connecting terminal and the second connecting terminal and electrically connects the first connecting terminal and the second connecting terminal. The first connecting terminal is elastically deformed and holds the motor side wire by a restoring force thereof. The second connecting terminal is elastically deformed and holds the drive circuit side wire by a restoring force thereof.

Abstract: A single phase brushless motor includes a stator and a rotor. The stator includes a stator core and stator windings wound on the stator core. The stator core includes a yoke portion, and first and second pole portions extending inwardly from the yoke portion. An end surface of the first pole portion includes a first arc surface having a first groove. An end surface of the second pole portion includes a second arc surface having a second groove. The first and second arc surfaces are opposed to each other and define a receiving space therebetween. The rotor includes a rotary shaft and permanent magnetic poles fixed to the rotary shaft. The permanent magnetic poles are received in the receiving space. A substantially uniform gap is formed between the first arc surface and the second arc surface and the permanent magnetic poles.

Abstract: The present invention relates to a wet-operated armature of an electric machine, in particular of an electric motor for a fuel pump, said armature comprising a main body and a commutator, wherein the armature is surrounded by a sleeve which fully encloses the main part and the commutator in a circumferential direction. The present invention further relates to the armature sleeve, to an electric machine comprising the armature and to a fuel pump comprising the electric machine. The present invention further relates to a method for producing the armature.

Abstract: A linear motor has a tubular body and a rod that penetrates the tubular body in an axial direction, and is configured to displace the tubular body and the rod relative to each other in the axial direction. The linear motor includes: 12n+1 (where n is a positive integer) teeth arranged in the axial direction so as to project from an inner peripheral surface of the tubular body; 12n slots respectively formed between adjacent teeth of the plurality of teeth; 12n coils respectively disposed in the slots; and a plurality of permanent magnets held in the rod so as to be arranged in the axial direction. The respective coils are formed by being wound around an axis of the rod in an identical direction, and the number of permanent magnets positioned in the tubular body is set to 8n.

Abstract: Constructional unit includes an electric machine with a stator and with a rotatable rotor, a rotatable output element operatively communicates with the rotor to transmit torque, and an offset arrangement. The offset arrangement is arranged between the rotor and the output element, and the transmission of torque is enabled in case of an axial offset and/or an angular offset between a rotational axis of the rotor and a rotational axis of the output element.

Abstract: A permanently-excited dynamoelectric machine includes a stator and a rotor supported for rotation about an axis. The stator has a winding system, which is embedded in grooves of a material forming a magnetic return path and interacts electromagnetically with permanent magnets of the rotor via an air gap between the stator and the rotor. The permanent magnets are disposed on the rotor, with each individual permanent magnet, on a side facing towards the air gap, having a North and South pole. The rotor, viewed in the circumferential direction, has a pole coverage by the permanent magnets of 100%, i.e. that the permanent magnets viewed in the circumferential direction, are arranged substantially without gaps.

Abstract: An electrically driven eccentric weight industrial vibrator comprises a housing, a stator, a rotor, and at least one eccentric weight. The housing defines an internal chamber. The stator is positioned within the internal chamber of the housing and is fixed in rotation relative to the housing. The rotor encircles the stator and is rotationally connected to the stator and the housing in a manner such that the rotor is able to revolve around the stator within the internal chamber of the housing. The eccentric weight is mounted to the rotor in a manner such that the eccentric weight is able to revolve about the stator together with the rotor.

Abstract: The invention relates to an electric machine (12) having a mounting flange (10) and to a method for producing an electric machine (12) of this kind having a mounting flange (10) of this type. Said mounting flange is arranged on a—preferably cylindrical—housing part (14) of said electric machine (12) in such a way that the mounting flange (10) at least in portions surrounds the housing part (14) in the circumferential direction (16) of said housing part (14), the mounting flange (10) and/or the housing part (14) being coated. The invention is characterized in that the mounting flange (10) has an at least radially directed raised portion (18) abutting the housing part (14), the mounting flange (10) being mounted on the housing part (14) by a welding process.

Abstract: An induction generator (200; 301) having a magnet assembly (204; 304) for generating a permanent magnetic field, an annular coil (206; 306), a spring element (228; 328) and an air channel (212; 312) through which the permanent magnetic field passes, is proposed, wherein the magnet assembly (204; 304) comprises a first pole section (208; 308) and a second pole section (210; 310) and a magnet (214; 314) disposed between the first pole section (208; 308) and the second pole section (210; 310), the coil (206; 306) is connected to the spring element (228; 328) and is movably disposed in the air channel (212; 312) and the spring element (228; 328) is designed to cause an oscillation movement (224) of the coil (206; 306) in the air channel (212; 312) transverse to a magnetic flux (222; 322) of the permanent magnetic field inside the air channel (212; 312) in response to a deflection of the coil (206; 306), characterized in that the air channel (212; 312) is annular and is designed to accommodate the annular coil (20

Abstract: The alternator is used in the motor vehicles and provides increased current output. It comprises ring (17) and (17a) connecting the second claw poles (16) and (16a), and its peripheral surface which is opposite to the second claw poles (16) and (16a) is profiled and protruded outwards, shaped by the adjacent surfaces of inner and outer truncated cones whose axes coincide with the axis of the shaft. On the peripheries of external side plates (23) and (23a) at diameters equal to the inner diameters of the carried pole configurations and axes coinciding with the axis of the shaft (1) stationary are fixed second magnetoconductive rings (26) and (26a) whose surfaces located on the side of the first magnetoconductive rings (17), (17a) are shaped like a groove whose shape corresponds to the shape of the profiled protruded outwards peripheral surface of the first magnetoconductive rings (17), (17a) comprising them with possibility for their free rotation in the corresponding groove.

Abstract: A rotating electric machine includes a weld formed by welding end portions of a pair of electric conductors for forming a coil and a weld-insulating member that covers, at least, a surface of the weld. The weld has an uneven portion formed on at least part of the surface thereof. The uneven portion is constituted of a plurality of annular recesses and a plurality of annular protrusions. The annular recesses are formed alternately and continuously with the annular protrusions.

Abstract: A rotor (1) of an electrical rotating machine, especially for an alternator or an alternator-starter of a motor vehicle, comprising two polar wheels (7, 8), an excitation winding provided with an insulator (15), and at least one magnetic assembly (13) placed between the two polar wheels which are each provided with teeth (9a, 9b), the insulator of an excitation winding comprising a plurality of petals (20), wherein at least one of the petals has a side recess (27) for allowing the passage of one of the magnetic assemblies (13) during the assembly of the two polar wheels (7, 8).

Abstract: The motor comprises a rotary unit, a stationary unit disposed around the rotary unit, and a bearing mechanism. The rotary unit comprises a plurality of magnets, a rotor core, a resin portion which covers the plurality of magnets and the rotor core. The rotor core comprises a ring-shaped inner core portion disposed at a radially inner side of the plurality of magnets, an outer core portion, and a plurality of connecting portions which radially connects the plurality of core elements, which are disposed between the plurality of magnets, and the inner core portion. The resin portion comprises an upper resin portion and a lower resin portion. The upper resin portion includes a plurality of gate holes.

Abstract: A heat dissipation heat sink having a press-fit hole whose inner peripheral surface is a cast skin surface is included; the heat dissipation heat sink is sandwiched by the press-fit head and the insertion guide by aligning the axis of a rectifying element in an insertion guide with the axis of the press-fit hole and making the press-fit head face the heat dissipation heat sink; a protrusion portion of a load receiving jig is made to face the rectifying element in the insertion guide; and the rectifying element is press-fitted into the press-fit hole of the heat dissipation heat sink by pressing the periphery of the press-fit hole of the heat dissipation heat sink (22,23) by the press-fit head and receiving a load applied to the rectifying element by the protrusion portion of the load receiving jig.

Abstract: A vibrating motor is provided in the present disclosure. The vibrating motor includes a shell, a magnetic assembly received in the shell, a pair of elastic members suspending the vibrating unit, and a coil assembly for driving the magnetic assembly to vibrate. The shell includes a main plate and a cover covering the main plate; the cover includes a bottom plate opposite to the main plate; the bottom plate includes a pair of first opening portions, and the main plate comprises a pair of second opening portions, the first opening portions and the second opening portions are arranged corresponding to each other for assembling the magnetic assembly; the magnetic assembly includes a pair of positioning grooves, the positioning grooves are aligned with the first opening portions and the second opening portions.

Abstract: An electronically commuted electric motor with a stator and a rotor is disclosed that has permanent magnets distributed a circumferential direction to determine the magnetic field of the rotor, whereby at least one sensor makes the position or speed of the rotor recordable through direct sampling of the magnetic field of the rotor. The sensor is spaced from the stator in a way that the stator field is recorded by the sensor only to a low extent or not at all, and whereby magnetic flux-guiding elements are disposed on a front side of the rotor, which move along with the rotor and guide at least a part of the magnetic field of the rotor to the sensor. The flux-guiding elements viewed in the circumferential direction of the rotor are positioned respectively between two permanent magnets of the rotor.